#3929B9#3929B9

#3929B9 is a dark, highly saturated blue. Relative luminance 0.060; OKLCH L 41.3% C 0.211 H 276.8°. Best body text is #FFFFFF at 9.58:1 contrast (WCAG AA passes).

Color values

HEX	#3929B9
RGB	rgb(57, 41, 185)
HSL	hsl(247, 64%, 44%)
HSV	hsv(247, 78%, 73%)
CMYK	cmyk(69.2%, 77.8%, 0%, 27.5%)
CIE-LAB	lab(29.30, 50.10, -72.44)
CIE-LCH	lch(29.30, 88.08, 304.67°)
OKLab	oklab(41.26% 0.025 -0.2094)
OKLCH	oklch(41.26% 0.211 276.8)
XYZ	xyz(11.2344, 5.9575, 46.4474)
Luminance	0.0596 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3929B9 #A9B929

analogous

#2961B9 #3929B9 #8129B9

triadic

#3929B9 #B93929 #29B939

tetradic

#3929B9 #B92961 #A9B929 #29B981

square

#3929B9 #B92961 #A9B929 #29B981

split-complementary

#3929B9 #B98129 #61B929

monochromatic

#1A1355 #2A1E87 #3929B9 #5849D7 #867BE2

Accessibility & contrast

On white

9.58

#3929B9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#3929B9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3929B9

9.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3929B9	#FFFFFF	#000000	##FFFFFF
##3929B9	1.00	9.58	2.19	9.58
#FFFFFF	9.58	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BBD

Deuteranopia (green-blind)

#003FB6

Tritanopia (blue-blind)

#005470

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #3929b9;
/* rgb */ color: rgb(57, 41, 185);
/* oklch */ color: oklch(41.3% 0.211 276.8);

Tailwind

colors: {
  custom: {
    50: '#8266cf',
    500: '#3929b9',
    950: '#000000',
  },
}

SCSS

$custom: #3929b9;
$custom-light: #8266cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3929b9",
  "rgb": {
    "r": 57,
    "g": 41,
    "b": 185
  },
  "hsl": {
    "h": 246.667,
    "s": 63.717,
    "l": 44.314
  },
  "oklch": {
    "l": 0.4126,
    "c": 0.21085,
    "h": 276.8
  },
  "luminance": 0.05959
}

Semantic roles & 50–950 ramp

primary

#3929B9

secondary

#C0CA74

accent

#E741D4

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0614

muted

#7D7A82

Preview Lab

Preview with #3929B9

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →